# Active Monitor, PreSonus Eris Pro 4, 50W

**URL:** https://aio.lv/en/product--presonus-o673454011412--11240682
**Data updated:** 2026-03-12 16:29 (EET)
**Category:** Speakers
**Manufacturer:** PreSonus
**Manufacturer code:** O673454011412
**EAN:** 0673454011412
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 242.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 200.82 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--presonus-o673454011412--11240682

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

The PreSonus Eris Pro 4 is a powerful active monitor with 50W output, designed for accurate sound reproduction. It features a 4.5-inch woofer and a 1-inch tweeter, providing a wide frequency response and excellent clarity. Ideal for home studios and professional settings, it includes acoustic tuning controls for optimal performance in any environment. Its compact design makes it easy to integrate into any workspace, ensuring you get the best sound possible.

## Long description

The PreSonus Eris Pro 4 is an active monitor delivering 50W of power tailored for accurate nearfield listening. It combines a 4.5-inch woofer and a 1-inch high-frequency tweeter to provide a wide frequency response and clear transient detail. Compact and purpose-built for critical listening, the monitor includes acoustic tuning controls to adapt the sound to different room acoustics and placement options, making it suitable for small home studios and professional audio applications.
Advantages
The 50W amplifier provides sufficient headroom for detailed monitoring at typical nearfield distances while keeping distortion low. The 4.5-inch woofer offers controlled low-frequency response for a compact speaker, and the 1-inch tweeter delivers clear highs and accurate stereo imaging. Integrated acoustic tuning lets you adjust the monitor to counteract room reflections or placement near walls, and the compact enclosure simplifies integration into limited workspaces.
Suitable for
 Home studio music production and mixing
 Project studios and desktop audio editing
 Multimedia content creation and podcast monitoring
 Nearfield reference listening in small control rooms
Key specifications
 Amplifier power: 50 watts total output
 Woofer size: 4.5-inch low-frequency driver
 Tweeter size: 1-inch high-frequency driver
 Frequency response: wide-range response suitable for critical listening
 Acoustic tuning: onboard controls for room and placement compensation
 Enclosure: compact design for desktop and small-room use
How to use
Place the Eris Pro 4 monitors at ear level and form an equilateral triangle between the two speakers and your listening position for optimal stereo imaging. Connect the monitors to your audio interface or mixer using appropriate balanced or unbalanced cables depending on available inputs. Use the acoustic tuning controls to reduce excessive bass buildup when placing the monitors near walls or to soften harsh highs in reflective rooms. Start with flat settings, play familiar reference tracks, and make incremental adjustments until the sound appears balanced for your room.
Usage recommendations
For consistent results, allow the monitors to warm up briefly before critical listening, position them symmetrically relative to side walls, and use isolation pads or stands to reduce cabinet coupling with the desk or surfaces. Regularly check mixes on multiple playback systems in addition to these monitors to ensure balanced translation.

## FAQ

### How much does the Active Monitor, PreSonus Eris Pro 4, O673454011412 cost, and is it available for purchase?

The price is 242.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 13.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Active Monitor, PreSonus Eris Pro 4, O673454011412 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All PreSonus products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized PreSonus service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11240682/68531359_large.webp